Temperature indicator using an Arduino Uno, a 16x2 I2C LCD, and a DHT22 temperature and humidity sensor, with minimal supporting components for pull-up and power stabilization.

This is a 16x2 LCD display screen with I2C interface. It is able to display 16x2 characters on 2 lines, white characters on blue background.

This is a 16x2 LCD display screen with I2C interface. It is able to display 16x2 characters on 2 lines, white characters on blue background.

This is a 16x2 LCD display screen with I2C interface. It is able to display 16x2 characters on 2 lines, white characters on blue background.